nucellus tissue
胚珠组织
nucellus development
胚珠发育
nucellus cells
胚珠细胞
nucellus function
胚珠功能
nucellus structure
胚珠结构
nucellus origin
胚珠起源
nucellus layer
胚珠层
nucellus analysis
胚珠分析
nucellus morphology
胚珠形态
nucellus role
胚珠角色
the nucellus is crucial for seed development.
胚珠核对种子发育至关重要。
in flowering plants, the nucellus surrounds the embryo sac.
在开花植物中，胚珠核包围着胚囊。
researchers study the nucellus to understand plant reproduction.
研究人员研究胚珠核以了解植物繁殖。
the nucellus contains the tissue that nourishes the developing ovule.
胚珠核含有滋养发育卵子的组织。
during fertilization, the nucellus plays a significant role.
在受精过程中，胚珠核发挥着重要作用。
some plants have a persistent nucellus even after fertilization.
一些植物在受精后仍保留胚珠核。
the nucellus can be a source of genetic material for breeding.
胚珠核可以成为育种的遗传材料来源。
understanding the structure of the nucellus is vital for botanists.
了解胚珠核的结构对植物学家至关重要。
the nucellus often undergoes changes during seed maturation.
胚珠核在种子成熟过程中通常会发生变化。
in some species, the nucellus is reduced or absent.
在某些物种中，胚珠核被缩小或缺失。
nucellus tissue
胚珠组织
nucellus development
胚珠发育
nucellus cells
胚珠细胞
nucellus function
胚珠功能
nucellus structure
胚珠结构
nucellus origin
胚珠起源
nucellus layer
胚珠层
nucellus analysis
胚珠分析
nucellus morphology
胚珠形态
nucellus role
胚珠角色
the nucellus is crucial for seed development.
胚珠核对种子发育至关重要。
in flowering plants, the nucellus surrounds the embryo sac.
在开花植物中，胚珠核包围着胚囊。
researchers study the nucellus to understand plant reproduction.
研究人员研究胚珠核以了解植物繁殖。
the nucellus contains the tissue that nourishes the developing ovule.
胚珠核含有滋养发育卵子的组织。
during fertilization, the nucellus plays a significant role.
在受精过程中，胚珠核发挥着重要作用。
some plants have a persistent nucellus even after fertilization.
一些植物在受精后仍保留胚珠核。
the nucellus can be a source of genetic material for breeding.
胚珠核可以成为育种的遗传材料来源。
understanding the structure of the nucellus is vital for botanists.
了解胚珠核的结构对植物学家至关重要。
the nucellus often undergoes changes during seed maturation.
胚珠核在种子成熟过程中通常会发生变化。
in some species, the nucellus is reduced or absent.
在某些物种中，胚珠核被缩小或缺失。
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